Home / Routes / KSEA → KSAT718 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to San Antonio International Airport (KSAT) in San Antonio. SkyMeter tracks roughly 718 scheduled flights on this route across 9 carriers. The most active operator is ASA (ASA). Average block time is 3h 50m. Departures average 37 minutes off schedule, with 76% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
718
last 473 days
ADS-B observed
185
Airlines
9
Avg dep delay
37m
Late >15 min
75.9%
Cancel rate
0.56%

Recent observed flights

From ADS-B trace data

2026-08-22 17:30  →  2026-08-22 21:42  ·  4h 12m
Replay
2026-08-21 16:47  →  2026-08-21 20:36  ·  3h 48m
Replay
2026-08-20 17:51  →  2026-08-20 21:31  ·  3h 40m
Replay
2026-08-18 16:54  →  2026-08-18 20:46  ·  3h 52m
Replay
2026-08-18 05:55  →  2026-08-18 09:35  ·  3h 40m
Replay
2026-08-17 16:43  →  2026-08-17 20:19  ·  3h 36m
Replay
2026-08-17 05:52  →  2026-08-17 09:42  ·  3h 50m
Replay
2026-08-16 16:33  →  2026-08-16 20:26  ·  3h 52m
Replay
2026-08-16 05:54  →  2026-08-16 09:35  ·  3h 41m
Replay
2026-08-15 20:09  →  2026-08-16 00:09  ·  4h 0m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells ASA 560
sells ASA 509
sells ASA 205
sells ASA 86
sells ASA 10

Looking for the return flight?

View KSAT → KSEA